56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
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// set the dimensions and margins of the graph
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var margin = {top: 20, right: 20, bottom: 30, left: 50},
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width = 960 - margin.left - margin.right,
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height = 500 - margin.top - margin.bottom;
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// parse the date / time
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var parseTime = d3.timeParse("%Y-%m-%d");
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// set the ranges
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var x = d3.scaleTime().range([0, width]);
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var y = d3.scaleLinear().range([height, 0]);
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// define the line
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var valueline = d3.line()
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.x(function(d) { return x(d[0]); })
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.y(function(d) { return y(d[1]); });
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// append the svg obgect to the body of the page
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// appends a 'group' element to 'svg'
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// moves the 'group' element to the top left margin
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var svg = d3.select("body").append("svg")
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.attr("width", width + margin.left + margin.right)
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.attr("height", height + margin.top + margin.bottom)
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.append("g")
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.attr("transform",
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"translate(" + margin.left + "," + margin.top + ")");
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function draw(data) {
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var data = data;
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// Scale the range of the data
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x.domain(d3.extent(data, function(d) { return d[0]; }));
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y.domain([0, d3.max(data, function(d) { return d[1]; })]);
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// Add the valueline path.
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svg.append("path")
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.data([data])
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.attr("class", "line")
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.attr("d", valueline);
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// Add the X Axis
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svg.append("g")
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.attr("transform", "translate(0," + height + ")")
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.call(d3.axisBottom(x));
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// Add the Y Axis
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svg.append("g")
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.call(d3.axisLeft(y));
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}
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// Get the data
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d3.json("/asn_history", {credentials: 'same-origin'}).then(function(data) {
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// trigger render
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draw(data);
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});
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